U.S. Marine Corps drill instructors, with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, shout at a participant as she crawls through an obstacle during the 14th annu More
U.S. Marine Corps Staff Sgt. Corey A. Branner, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, gestures to participants of the 14th annual Boot More
Participants begin the 14th annual Boot Camp Challenge aboard Marine Corps Recruit Depot (MCRD) San Diego, Calif., Sept. 26, 2015. MCRD San Diego hosted the 14th annual Boot Camp Challenge, a three-mile obstacl More
U.S. Marine Corps Sgt. Antonio Malave, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, shouts at a participant as he maneuvers over an obstacle More
Participants of the 14th annual Boot Camp Challenge pose for a photo aboard Marine Corps Recruit Depot (MCRD) San Diego, Calif., Sept. 26, 2015. The participants took part in the 14th annual Boot Camp Challenge More
U.S. Marine Sgt. David W. Penner, with Marine Band San Diego, plays a synthesizer after the 14th annual Boot Camp Challenge aboard Marine Corps Recruit Depot San Diego, Calif., Sept. 26, 2015. Penner, a member More
U.S. Marine Corps Staff Sgt. Joey L. Eckert, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, talks to a participant during the 14th annual Boot More
U.S. Marine Corps Sgt. Eric Y. Waddell, with Public Affairs, 12th Marine Corps District, Western Recruiting Region, observes as a participant performs pull-ups after the 14th annual Boot Camp Challenge aboard M More
A participant of the 14th annual Boot Camp Challenge maneuvers over an obstacle aboard Marine Corps Recruit Depot (MCRD) San Diego, Calif., Sept. 26, 2015. MCRD San Diego hosted the 14th annual Boot Camp Challe More
U.S. Marine Corps Staff Sgt. Phillip E. Gibson, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego shouts at a participant as he low-crawls under a More
U.S. Marine Corps drill instructors, with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, pose for a photo before the 14th annual Boot Camp Challenge aboard MCRD San D More
U.S. Marine Corps Staff Sgt. Juan B. Arvizunarvaez, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, screams instructions to participants of the More
U.S. Marine Corps Gunnery Sgt. Raymundo Delgado Jr., a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, shouts instructions to participants of the More
U.S. Marine Corps drill instructors, with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, scream instructions at a participant of the 14th annual Boot Camp Challenge a More
U.S. Marine Corps Staff Sgt. Gerardo E. Trevino, a drill instructor with Support Battalion, Recruit Training Regiment, Marine Corps Recruit Depot (MCRD) San Diego, screams instructions at participants of the 14 More